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http://dx.doi.org/10.5370/KIEE.2015.64.9.1306

Switching Method of 3-phase Interleaved Bidirectional DC-DC Converter to Achieve High Efficiency in Wide Load Range  

Jung, Jae-Hun (Dept. of Electrical Engineering, Pukyong National University)
Seo, Bo-Gil (H&A company, LG Electronics Inc.)
Sun, Daun (Dept. of Electrical Engineering, Pukyong National University)
Nho, Eui-Cheol (Dept. of Electrical Engineering Pukyong National University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.64, no.9, 2015 , pp. 1306-1314 More about this Journal
Abstract
This paper deals with a switching method of a three-phase interleaved bidirectional DC-DC converter to obtain high efficiency in wide load range. The proposed soft-switching method provides ZVS and ZCS at turn-on, and ZVS at turn-off of the switch as well as considerably reduced conduction loss in light load. Simulation and experiment are carried out with a bidirectional DC-DC converter having the power rating of 3 [kW], and those results show the validity of the proposed switching method.
Keywords
Interleaved bidirectional DC-DC converter; Battery charging; Soft-switching;
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